Telephone system



TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet v1 INVENTORS JOHN WIOKS N HARVEY W .BALZER www ATTORNEYS J. wlcKs ETAL Z TELEPHONE SYSTEM Filed De 4, 1942 48 Sheets-sheet 2 lan. E16, i945.

ATTORNEYS Jn. E69 E945., J. WICKS ETAL 2,367,634

TELEPHONE SYSTEM Filed Deo. 4, 1942 48 Sheets-Sheet 3 24a v26fl l l I I l I c||4e om@J c1142 c1144/ cl |43/ lw45 /cu47 3&5 k @l 34 35h/i 1561 OPERATOR PoslRoulT S 34: KEY

34e/V @i352 342@ 342 Dien POS. TRUNK l KEY KEY E44 PuLslNG 343 JN 342e: 4 R560 30/ f-zsn izan z'fnf INVENTORS JOHN wlcKs BY HARVEY WBALZER fwdym ATTORNEYS 11mm w45. J, WiCKS HAL 2,367,634

TELEPHONE SYSTEM Filed Dec. 4I 1942 48 Sheets-Sheet 4 Slo ym TO LL 5 3|4 @Fr-'10E TRUNK CIRCUIT-26 i Q 32| Lfsl I ATTORNEYS im., 1169 m45. J. WIGKS Em. 2,367,634

TELEPHONE SYSTEM Filed Dec.4, 1942 48 Sheets-Sheet 5 TRUNK GERCLHT 2@ m E C Swa'rcH L 432 f C 525k Fg@ @www INVENTORS 4JOHN wacKS vEY w BAzf-:R

A ITQRNEYS Jaim., E6, g. J. WICKS ETAL 2,357,634

TELEPHONE SYSTEM Filed Dec. '4, 1942 48 Sheets-Sheet 6 Sku/35' .034'

V` 4 V571 I l 5 60 I R57O Sslf .I L1-Duff? SLAVE TRANSFERj TRUNK clRcun' 2S SLAVE SfMRLL-x PULSE RSS@ WISH l k j 52' (MARS.

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INVENTORS JOHN WICKSER BY HARVEY W. BALZ MJMMMM ATTORNEYS im., E6, M5. J. WICKS ETA'. 2,367,664

TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet '7 wwf/A63I W 33 TRUNK CIRCUIT 26 GZI/i P637 LooP sElzuRE -IL'MPLEX R680 6381, 46639 'PULSE 67| L j, R670 slMP SLAVE I 'I| 562o|i/T672 6 6 www5 5666 @la 6o@ s 666A n #166 "PM-v 6642 l INVENTORS JOHN WICKS BY HAREY w. BALZER mof/MM' A ATTOREYS .17am l@ i945.

JL WICKS ETAL TELEPHONE SYSTEM Filed Deo. 4," 1942 48 Sheets-Sheet 8 f 725 MI 1 0 74o -w BRIO@ mf D'Gf" SLAVE INVENTORS JOHN WICKS BLZER Jn. 36, J, WICKS ET AL TELEPHONE SYSTEM Filed Deo. 4, 1942 48 Sheets-Sheet 9 l'f k Q am] TOLL OFFICE TRUNK CIRCUIT 27 B21/ L 29m 28m T MANUAL @FEI-'EGE mb 28d) MANUAL OFFBCE 29 4@ g; 8/ asf) INVENTORS JOHN wlcKs HARVEY w. BALZER Jn 36, 345 .1. WICKS ET AL 2,367,634

TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet lO TRUNK CIRCUIT 27 R9? 0 SUPY INVENTORS JOHN WICKSER BY t HARVEY W BALZ ATTORNEYS Hm m, w45., I J, WICKS ET AL 2,367,634

TELEPHONE SYSTEM Filed De 4l 1942 48 Sheets-Sheet ll cem/flom TRANS fsLAvE 107| l Raoeo m07@ TRUNK clRoulT 27 los:

DWF.) SLAVE moe SIMPLEXI PULSE flou D WArozl floa AENOR `V` l l 020 zo 4o RERHNG mol@ RERING suPY L QL INVENTORS JQHN WHGKS HARVEY W. SALZER ATTORNEYS Jan. i6, 1945. J. WlcKs ETAL 2,367,634

TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet l2 CM2/Ems' v TRUNK CIRCUIT 27 lw fusa wel M37 pULSE7% -s|MPLEx- Ruso nie vuas Loop lm sElzuRa Ruso T-1le| "3"@ 452 l SIMPLEX Loop sLAvE [PULSE HQWVHM' RUSO nel/ RII-,.0 RIHO q--fi -H-nez-o/-{lmz RH4 sExzuRE swlTcl Rnisovl` THM' *-Wun 31u13 -H-o-'Mlas' en@ FIG. i l. JOHN wloKS BY HARVEY W. BALZER mi ,mm

ATTORNEYS Jan., E69 w45, 1 WICKS ETAL 2,357,634

TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet 13 ATTORNEYS gm w, m55

J. WICKS ET AL TELEPHONE SYSTEM Filed Dec. 4, 1942 48 Sheets-Sheet 14 ATTORNEYS jan J. WICKS ET AL TELEPHONE SYSTEM Filed Deo. 4, 1942 48 Sheets-Sheet 16 SELECTOR 37 f|52| 1 |522 /l |550 Rslo |552` H D v L SLAVE ZSJT |541/ |527j 664--,- l: r|524 ,553 |556 25.64.

@ANSWER T l f|53| w|TcH` R|5 30 'T540 R|52o f|g2 l FM4 5L/|562 v Y E* F|G |5 INVENTORS S? wwm HA BY MM.M waa;

ATTORNEYS jan. 16, 1945. J. WICKS ETAL. 2,367,634

TELEPHONE SYSTEM ATTC R N EYS Jan. 16, i945. A 1 WICKS ErAL 2,367,634

TELEPHONE SYSTEM Filed Dec. 4. 1942 48 Sheets-Sheet 19 ToL'L SELECTOR 32 Il |803 NR EIS" |822 pg ATTO R NEYS Jan. E945. j -wlcKs ETAL 2,367,634

TELEPHONE SYSTEM Filed Dec. 4, 1942 48 sheets-sheet 2o Issa/i f INVENTORS JOHN W1C KS HARVEY w. BALZER ATTORNEYSv 

